.btn {
    cursor: pointer;

    &.disabled,
    &[disabled] {
        cursor: not-allowed;
        box-shadow: none;
        opacity: .65;


        >* {
            pointer-events: none;
        }
    }

    &:focus {
        background-color: skyblue;
    }

    &:hover {
        background-color: purple;
    }



}